Low 2.7Published Dec 5, 2025

CVE-2025-66515Nextcloud Approval app allows users to request approval for other users file

Updated under an hour ago (Oct 27, 2026, 10:40 AM ET)

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It affects nextcloud security-advisories and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for nextcloud security-advisories

Exploited in the last 30 days

The Nextcloud Approval app allows approval or disapproval of files in the sidebar. Prior to 1.3.1 and 2.5.0, an authenticated user listed as a requester in a workflow can set another user’s file into the “pending approval” without access to the file by using the numeric file id. This vulnerability is fixed in 1.3.1 and 2.5.0.

CVSS: 2.7 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE): CWE-287
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Dec 5, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

nextcloud security-advisories nextcloud:security_advisories (from the name)	from 2.0.0, < 2.5.0; before 1.3.1	CNA record
nextcloud approval nextcloud:approval	from 1.0.0 before 1.3.1; from 2.0.0 before 2.5.0	NVD

References

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q26g-fmjq-x5g5	x-refsource-confirm, patch, vendor-advisory
https://github.com/nextcloud/approval/pull/334	x-refsource-misc, issue-tracking
https://github.com/nextcloud/approval/commit/e30b56b7832255311ac800b7875f44866e88fff4	x-refsource-misc, patch
https://hackerone.com/reports/3338748	x-refsource-misc, issue-tracking, vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.